497200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 1314648

約数和(自身を除く): 817448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 113, 176, 200, 220, 226, 275, 400, 440, 452, 550, 565, 880, 904, 1100, 1130, 1243, 1808, 2200, 2260, 2486, 2825, 4400, 4520, 4972, 5650, 6215, 9040, 9944, 11300, 12430, 19888, 22600, 24860, 31075, 45200, 49720, 62150, 99440, 124300, 248600, 497200]

約数ペア:

[(1, 497200), (2, 248600), (4, 124300), (5, 99440), (8, 62150), (10, 49720), (11, 45200), (16, 31075), (20, 24860), (22, 22600), (25, 19888), (40, 12430), (44, 11300), (50, 9944), (55, 9040), (80, 6215), (88, 5650), (100, 4972), (110, 4520), (113, 4400), (176, 2825), (200, 2486), (220, 2260), (226, 2200), (275, 1808), (400, 1243), (440, 1130), (452, 1100), (550, 904), (565, 880)]